Finding the Third Proportional to 87,754 and 189,517.50

Step by Step Solution

1. Step 1: Write the proportion equation
   87,754 : 189,517.50 = 189,517.50 : x
2. Step 2: Convert to fraction form
   87,754/189,517.50 = 189,517.50/x
3. Step 3: Cross multiply
   87,754x = 189,517.50 × 189,517.50
4. Step 4: Simplify right side
   87,754x = 35,916,882,806.25
5. Step 5: Solve for x
   x = 35,916,882,806.25/87,754
6. Step 6: Final answer
   x = 409,290.55